it will eliminate your monthly mortgage payments and give you tax-free cash from the equity in your home. and here's the best part -- you still own your home. take control of your retirement today. ♪ ♪ >>> a brain scan has yielded surprising results on former prime minister ariel sharon. several strokes put him in a coma seven years ago, as you might remember. now an advanced mri has been used to scan his brain. >> we know that he can process pictures and pictures of faces and he can even differentiate between, for example, a picture of faces and pictures of houses, pictures of his families to other objects. he can, for example, differentiate between words that were spoken to him by his son compared to noise. >> want to bring in senior medical expert elizabeth cohen to kind of explain this. i remember covering this story when he first fell into a coma and there was a lot of questions about whether or not he would be kept alive or taken off life support. what do they mean when they say he has responded to some of these things? what does that mean? >> i think they're intentionally usin